Study on the Preparation and Quality Control of Papaverine-nitroglycerin Ointment / 中国药房

ABSTRACT

OBJECTIVE:To prepare papaverine-nitroglycerin ointment and to establish a method for its quality control.METHODS:Nitroglycerin,papaverine hydrochloride and diclofenac potassium were used as basic remedies to prepare oint?ment.The contents of nitroglycerin,papaverine hydrochloride and diclofenac potassium were determined by UV-spec?trophotometric methods.RESULTS:The average recovery rates of Nitroglycerin,papaverine hydrochloride and diclofenac potassium were100.65%、99.86%、100.55%respectively,and RSD equal to0.4945%、0.1719%、0.3205%respectively(n=3). CONCLUSION:The ointment preparation is feasible in technique,reliable in quality control and stable in quality.